Fix grammar
diff --git a/docs/context.dox b/docs/context.dox
index 10d8033..0d5c323 100644
--- a/docs/context.dox
+++ b/docs/context.dox
@@ -115,7 +115,7 @@
@section context_glext OpenGL and OpenGL ES extensions
-One of the benefits of OpenGL and OpenGL ES are their extensibility.
+One of the benefits of OpenGL and OpenGL ES is their extensibility.
Hardware vendors may include extensions in their implementations that extend the
API before that functionality is included in a new version of the OpenGL or
OpenGL ES specification, and some extensions are never included and remain
diff --git a/docs/quick.dox b/docs/quick.dox
index b9ab255..87d6007 100644
--- a/docs/quick.dox
+++ b/docs/quick.dox
@@ -230,7 +230,7 @@
@endcode
You can also set a framebuffer size callback using @ref
-glfwSetFramebufferSizeCallback and call `glViewport` from there.
+glfwSetFramebufferSizeCallback and be notified when the size changes.
Actual rendering with OpenGL is outside the scope of this tutorial, but there
are [many](https://open.gl/) [excellent](http://learnopengl.com/)
